Assignee
GREIF BROTHERS CORP
US·3 granted patents·19 citations·filing 1989–1990
Technology mixB65D3
Top patents by PatentIndex Score
3 records- 0132US4951833AEnd construction with hollow beam construction for a drumGREIF BROTHERS CORP·Filed 1989·Granted Aug 28, 1990·7 cites·15 claims
- 0226US4982867ADrum with self-supporting linerGREIF BROTHERS CORP·Filed 1990·Granted Jan 8, 1991·8 cites·15 claims
- 0325US4971241AFast flo drumsGREIF BROTHERS CORP·Filed 1990·Granted Nov 20, 1990·4 cites·10 claims
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